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Delivery: <= 9 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 26802.2-2017: Industrial control computer system -- General specification -- Part 2: Safety requirements for industrial control computer Status: Valid
Basic dataStandard ID: GB/T 26802.2-2017 (GB/T26802.2-2017)Description (Translated English): Industrial control computer system -- General specification -- Part 2: Safety requirements for industrial control computer Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: N18 Classification of International Standard: 25.040.40 Word Count Estimation: 58,522 Date of Issue: 2017-12-29 Date of Implementation: 2018-07-01 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China GB/T 26802.2-2017: Industrial control computer system -- General specification -- Part 2: Safety requirements for industrial control computer---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Industrial control computer system-General specification-Part 2. Safety requirements for industrial control computer ICS 25.040.40 N18 National Standards of People's Republic of China Industrial control computer systems - General specifications Part 2. Industrial control computer security requirements Part 2.Safetyrequirementsforindustrialcontrolcomputer 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword V. 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 test 2 4.1 Overview 2 4.2 Test sequence 2 4.3 benchmark test conditions 2 4.3.1 Environmental conditions 2 4.3.2 equipment status 2 4.4 Single fault conditions test 3 4.4.1 Overview 3 4.4.2 Application of fault conditions 3 4.4.3 Test duration 5 4.4.4 Conformity after application of fault conditions 5 5 signs and documents 6 5.1 mark 6 5.1.1 Overview 6 5.1.2 logo 6 5.1.3 Power 6 5.1.4 Fuse 8 5.1.5 terminals, connectors and operating device 8 5.1.6 Switches and Circuit Breakers 8 5.1.7 Controls and Indicators 9 5.1.8 Industrial control computer with double or reinforced insulation 9 5.2 Warning signs 9 5.3 logo durability 10 5.4 Documents 10 5.4.1 Overview 10 5.4.2 Industrial control computer rating 10 5.4.3 Industrial Control Computer Installation 10 5.4.4 Industrial Control Computer Operation 11 5.4.5 Industrial Control Computer Maintenance 11 6 anti-shock 11 6.1 Overview 11 6.2 Determination of accessible components 11 6.2.1 Overview 11 6.2.2 Inspection 12 6.2.3 Hazardous electrical components above the opening 12 6.2.4 pre-conditioning control of the opening 12 6.3 Permissible limits of accessible components 12 6.3.1 Overview 12 6.3.2 Limit under normal conditions 12 6.3.3 Limitations under single fault conditions 12 6.4 Protection under normal conditions 13 6.5 Single fault protection 15 6.5.1 Overview 15 6.5.2 Protection Connection 15 6.5.3 Double insulation and reinforced insulation 16 6.5.4 Protection Impedance 16 6.5.5 Industrial Control Computer Automatic Disconnection 17 6.6 Connection with External Circuit 17 6.7 Clearances and creepage distances 17 6.7.1 Overview 17 6.7.2 General requirements 6.7.3 Grid Power Supply Circuit 18 6.7.4 Circuits other than the mains power supply circuit 19 6.8 Dielectric Strength Test Procedure 20 6.8.1 Reference test site 20 6.8.2 Wet Pretreatment 21 6.8.3 Test Implementation 21 6.8.4 Voltage test 21 6.9 Structural requirements for protection against electric shock 22 6.9.1 Overview 22 6.9.2 double insulated or reinforced insulation housing 22 6.10 and the power supply connection 23 6.10.1 Power Cord 23 6.10.2 Installation of Non-detachable Power Cables 23 6.10.3 Plugs and Connectors 24 6.11 Input Power Disconnect 25 6.11.1 Overview 25 6.11.2 Exceptions 25 6.11.3 according to the type of power requirements 25 6.11.4 Disconnect device 25 7 anti-mechanical danger 26 8 resistant to mechanical shock and impact 26 8.1 Overview 8.2 Housing rigidity test 26 8.2.1 Static test 26 8.2.2 Dynamic test 27 9 to prevent the spread of fire 27 9.1 Overview 27 9.2 Elimination or reduction of ignition sources within the equipment 28 9.3 In the event of a fire, control the flame in the equipment 9.3.1 Overview 29 9.3.2 Structural Requirements 29 9.4 limit circuit 30 9.5 Over-current protection 32 10 equipment temperature limits and heat 32 10.1 on the surface of the burn temperature limit 32 10.2 winding temperature 32 10.3 Other Temperature Measurement 33 10.4 Temperature Test Implementation 33 10.5 heat 33 10.5.1 Clearances and integrity of creepage distances 33 10.5.2 Non-metallic shell 33 10.5.3 Insulation material 34 11 component 34 11.1 Overview 34 11.2 Fan 35 11.3 Battery 35 11.4 Over-temperature protection device 35 11.5 fuse holder 36 11.6 Mains supply voltage selector 36 11.7 Power transformers tested outside the equipment 36 Printed circuit board 36 11.9 Circuits and Components Used as Transient Overvoltage Limits 36 Appendix A (Normative) routine test 38 Appendix B (Normative) Standard Test Index 39 Appendix C (Normative) Contact current measurement circuit 41 Appendix D (Normative) During the parts required for insulation 44 Appendix E (Normative) Pollution Degree Reduction 47 Appendix F (Normative) Clearances and creepage distance measurement 48 Fig.1 Maximum short duration of instantaneous accessible voltage under single fault condition 13 Figure 2 under normal conditions and single fault charge capacity limit 14 Figure 3 Removable Power Cord and Connections 23 Figure 4 using the ball impact test 27 Figure 5 illustrates a flowchart 28 for preventing flame spread requirements Figure 6 baffle 30 The structure of Figure 7 shall conform to the area 30 at the bottom of the enclosure as specified in 9.3.2 b) 1) Figure 8 ball pressure test device 34 Figure B.1 Rigid test finger (GB/T 16842-2008 test tool 11) 39 Figure B.2 Articulated test finger (GB/T 16842-2008 Test B) 40 Figure C.1 AC and DC measurement circuits 41 at frequencies less than or equal to 1 MHz Figure C.2 Sine AC and DC measurement circuit 42 at frequencies less than or equal to 100 Hz Figure C.3 Electric burns current measurement circuit 42 Figure C.4 Moisture Contact Current Measurement Circuit Figure D.1 a) ~ d) Dangerous live circuit and under normal conditions does not exceed the limit of 6.3.2 and have access to external components terminals Protection between the circuits 44 Figure D.1 e) ~ h) Between dangerous live circuits and other circuits with external terminals not exceeding 6.3.2 limits under normal conditions Protection 45 Figure D.2 a) and b) Accessible to internal hazardous live circuits not accessible by other accessible components 45 Figure D.2 c) and d) under normal conditions does not exceed the limit of 6.3.2 secondary circuit accessible terminals of the primary danger live circuit Protection 45 Figure D.3 Protection of externally accessible terminals of two hazardous live circuits Figure F.1 Examples of methods for measuring clearances and creepage distances 48 Table 1 Symbol 7 Table 2 Tightening torque of screw assembly 16 Table 3 within 5000m above sea level gap multiplication factor 18 Table 4 Clearances and Creepage Distances of Power Supply Circuits 19 Table 5 Clearances of circuits supplied by mains supply 19 Table 6 Creepage distance 20 Table 7 Basic insulation test voltage 22 Table 8 Physical Test of Power Cord 24 Table 9 Permissible openings in the bottom of the housing 29 Table 10 Limits on the maximum achievable current value 31 Table 11 Overcurrent protection device value 31 Table 12 Surface temperature limits under normal conditions 32 Table 13 winding insulation material maximum temperature 33 Table 14 Impulse withstand voltage 36 Table 15 Pulser Output Impedance 37 Table E.1 shows the reduction in the level of internal environmental pollution through the use of additional protection 47 Table F.1 Pollution Registration Form ForewordGB/T 26802 "Industrial Control Computer System General Specifications" is divided into the following sections. --- Part 1. General requirements; --- Part 2. Industrial control computer security requirements; --- Part 3. Graphical symbols for equipment; --- Part 4. Text symbols; --- Part 5. Site safety requirements; --- Part 6. Acceptance outline. This section GB/T 26802 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Machinery Industry Federation. This part of the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC124) centralized. This section drafted unit. EVOC Intelligent Technology Co., Ltd., Southwest University, Xiamen Andong Electronics Co., Ltd., Beijing Jin Lishi Instrument Technology Co., Ltd., Xiamen Yu Electric Automation Technology Co., Ltd., Xi'an Dongfeng Electrical Co., Ltd., Xi'an Science and Technology Development Co., Ltd. has excellent control Any company, Beijing Guodian Zhishen Control Technology Co., Ltd., Beijing Ruipu ternary Instrument Co., Ltd., Jinan Daqin Mechanical and Electrical Equipment Co., Ltd., Jiangsu Jack Instrument Co., Ltd., Mianyang City Weibo Electronics Co., Ltd., Hangzhou Pangu Automation System Co., Ltd., Nanjing excellent times Electric Co., Ltd., Chongqing Wei Bank detector Manufacturing Co., Ltd., Jinan Changqing computer application company, Chongqing Yutong System Software Co., Ltd. Division, Rockwell Automation (China) Co., Ltd. The main drafters of this section. Pangunshi, Ren Junmin, Zhao Yixin, Zhang Xin Guo, Xiao Guobu, Gong Xiaodong, Zhou Yu, Zhang Peng, Zhang Chaohui, Hu Ming, Tian Yucong, Li Zhenzhong, Yue Zonglong, Min Pei, Ruan Ci yuan, Guo Haojie, Dong Jian, Tang Tian, Ou Wenhui, Zhang Hong, Yue Zhou, Hua Rong, Lvchun Fang, Feng Dongqin, Niu Xiaomin, Chen Wanlin, Deng Shuang, Qi Qian, Zhong Xiurong. Industrial control computer systems - General specifications Part 2. Industrial control computer security requirements1 ScopeGB/T 26802 provisions of this part of a variety of industrial production equipment, measuring, monitoring and control of computer anti-shock and electrocautery Injury, anti-mechanical danger, flame spread from inside the computer to prevent the impact of high temperature safety requirements. This section also provides through the inspection and Type test to identify whether the device meets the requirements of this section. This section applies to a variety of industrial equipment, measurement, monitoring and control computer products. This section does not include non-safety equipment functions, performance or other characteristics, the effectiveness of transport packaging, electromagnetic compatibility (EMC) Seeking, functional safety, protective measures against the explosive environment, maintenance (repair), maintenance (repair) personnel protection.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Thermoplastics - Determination of Vicat softening temperature (VST) GB/T 1633-2000 GB/T 4208-2008 enclosure protection (IP code) GB 4793.1 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1. General requirements GB/T 5013 (all parts) Rated voltage 450V/750V and below rubber insulated cables GB/T 5023 (all parts) rated voltage 450V/750V and below PVC insulated cables GB/T 11020-2005 solid non-metallic materials exposed to the flame source flammability test list Electrical insulation - Heat resistance and representation Industrial plugs and socket connectors and couplers Part 1 GB/T 11918.1 General requirements GB/T 11918.2 Industrial plugs and sockets - Part 2. Dimensional compatibility of electrical accessories with pins and inserts Interchangeability requirements GB/T 14048.1 low-voltage switchgear and control equipment General GB/T 14048.3 low-voltage switchgear and control equipment Part 3. Low-voltage switches, isolators, disconnectors and fuse combinations Electrical appliances GB/T 15934 electrical accessories wire components and interconnecting wire components GB/T 16927 (all parts) high voltage test technology IEC 60027 electrician text symbols (Lettersymbolstobeusedinelectricaltechnology) IEC 60664-3.2010 Insulation coordination of low-voltage systems Part 3. Use of coatings to improve the insulation of printed circuit board systems (Insulationcoordinationforequipmentwithinlow-voltagesystems-Part 3.Useofcoating, potting ormouldingforprotectionagainstpolution)3 Terms and definitionsGB 4793.1 defined terms and definitions apply to this document. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 26802.2-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 26802.2-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 9 working days. 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